/* ============ VCC MS50 landing ============ */
:root {
  --ink: #0a1f17;
  --deep: #062a1e;
  --forest: #0e3e2a;
  --green: #17694a;
  --moss: #5b9078;
  --leaf: #bfe0cb;
  --lime: #d9f27c;
  --paper: #f3f7f1;
  --paper2: #e7efe3;
  --white: #ffffff;
  --line: #cfdccf;
  --muted: #456054;
  --r: 18px;
  --shadow: 0 20px 44px -26px rgba(6, 42, 30, 0.5);
  --wrap: 1160px;
  --pad: clamp(56px, 8vw, 104px);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 {
  font-family: "Lora", Georgia, serif;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0 0 0.5em;
  text-wrap: balance;
}
h1 { font-size: clamp(1.95rem, 6.2vw, 3.3rem); }
h2 { font-size: clamp(1.5rem, 4.2vw, 2.4rem); }
h3 { font-size: 1.1rem; line-height: 1.3; margin-bottom: 0.35em; }
p { margin: 0 0 1em; }
p:last-child, ul:last-child, dl:last-child { margin-bottom: 0; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

.band { padding: var(--pad) 0; }
section[id], main [id] { scroll-margin-top: 84px; }
.band-white { background: var(--white); }
.band-paper { background: var(--paper); }
.band-tint { background: var(--paper2); }
.band-dark { background: var(--deep); color: #e8f2ea; }
.band-forest { background: var(--forest); color: #eef6ee; }
.band-dark h2, .band-dark h3, .band-forest h2, .band-forest h3 { color: #ffffff; }
.band-dark p, .band-forest p { color: #d3e6d7; }
.band-dark a, .band-forest a { color: var(--lime); }

/* ---------- shared bits ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0 0 14px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--green);
  flex: none;
}
.band-dark .eyebrow, .eyebrow-light, .band-forest .eyebrow { color: var(--lime); }
.band-dark .eyebrow::before, .band-forest .eyebrow::before { background: var(--lime); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--forest);
  color: #fff;
  box-shadow: 0 14px 30px -16px rgba(6, 42, 30, 0.7);
}
.btn-primary:hover { background: var(--deep); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--forest);
  border-bottom: 1.5px solid rgba(23, 105, 74, 0.35);
}
.link-arrow::after { content: "↓"; margin-left: 6px; font-size: 0.8em; }

.source-note {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 16px 0 0;
}
.band-dark .source-note { color: #a9c8b4; }
.source-note a { text-decoration: underline; }
.band-dark .source-note-light { color: #b6d2bf; }

.fig { margin: 0; }
.fig img, .gal img, .hero-img img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--r);
  box-shadow: var(--shadow);
  background: var(--paper2);
}
.fig figcaption, .hero-fig figcaption, .gal figcaption, .joint-wrap figcaption {
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--muted);
  margin-top: 10px;
}
.band-dark .fig figcaption { color: #a9c8b4; }

.num {
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--moss);
  display: block;
  margin-bottom: 10px;
}

/* ---------- header ---------- */
.hd {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(243, 247, 241, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(10, 31, 23, 0.1);
}
.hd-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}
.brand-logo {
  height: 34px;
  width: auto;
  border-radius: 6px;
}
.nav { display: none; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(28px, 6vw, 62px);
  padding-bottom: var(--pad);
  background:
    radial-gradient(700px 380px at 88% 4%, rgba(217, 242, 124, 0.35), transparent 70%),
    linear-gradient(180deg, #f3f7f1 0%, #eef5eb 100%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(90deg, rgba(14, 62, 42, 0.06) 1px, transparent 1px);
  background-size: 25% 100%;
  opacity: 0.7;
}
.hero-grid { position: relative; z-index: 1; display: grid; gap: 30px; }
.hero-copy .lead {
  font-size: clamp(1rem, 2.4vw, 1.1rem);
  color: #234437;
  max-width: 34em;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin: 22px 0 26px;
}
.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
}
.facts li { display: flex; flex-direction: column; gap: 2px; }
.facts strong {
  font-family: "Lora", Georgia, serif;
  font-size: clamp(1.05rem, 3.4vw, 1.35rem);
  font-weight: 600;
  color: var(--forest);
}
.facts span { font-size: 0.72rem; line-height: 1.35; color: var(--muted); }
.facts-light strong { color: #fff; }
.facts-light span { color: #b6d2bf; }
.facts-light { border-top-color: rgba(255, 255, 255, 0.18); }

.hero-fig { margin: 0; }
.hero-img { position: relative; }
.hero-img img { aspect-ratio: 16 / 9; object-fit: cover; }
.hero-chip {
  position: absolute;
  left: 12px;
  bottom: 12px;
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--lime);
  color: var(--deep);
  box-shadow: 0 10px 24px -12px rgba(0, 0, 0, 0.6);
}
.hero-chip strong { font-family: "Lora", Georgia, serif; font-size: 1.05rem; }
.hero-chip span { font-size: 0.72rem; font-weight: 600; }

/* ---------- two column ---------- */
.two-col { display: grid; gap: 30px; }
.checks { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 12px; }
.checks li {
  position: relative;
  padding-left: 26px;
  font-size: 0.94rem;
  color: #1c3a2c;
}
.checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--leaf);
  border: 1.5px solid var(--green);
}
.checks strong { color: var(--forest); }

/* ---------- joint demo ---------- */
.joint-card {
  display: grid;
  gap: 26px;
  padding: clamp(22px, 4vw, 40px);
  border-radius: calc(var(--r) + 8px);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.joint-wrap { margin: 0; }
.joint {
  position: relative;
  height: 172px;
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(180deg, #123a2c 0%, #0a2a20 100%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  isolation: isolate;
}
.joint .slab {
  background-image:
    radial-gradient(circle at 22% 30%, rgba(255, 255, 255, 0.14), transparent 42%),
    radial-gradient(circle at 70% 68%, rgba(255, 255, 255, 0.1), transparent 46%),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.05) 0 2px, transparent 2px 9px);
}
.joint .band-bar {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 15%;
  border-radius: 8px;
  background: linear-gradient(180deg, var(--lime) 0%, #a8d45e 100%);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.18) inset, 0 0 26px rgba(217, 242, 124, 0.35);
  animation: joint-open 7s ease-in-out infinite;
}
@keyframes joint-open {
  0%, 100% { width: 14%; }
  50% { width: 33%; }
}
.joint-tag {
  position: absolute;
  top: 10px;
  left: 12px;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #cfe6d6;
}
.joint-tag-b { left: auto; right: 12px; color: var(--lime); }

/* ---------- advantage cards ---------- */
.sec-head { margin-bottom: 26px; max-width: 40em; }
.card-grid { display: grid; gap: 12px; }

.adv-grid { margin-bottom: 30px; }
.adv-card {
  padding: 20px 18px;
  border-radius: var(--r);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(191, 224, 203, 0.22);
}
.adv-card h3 { color: #fff; margin-bottom: 6px; }
.adv-card p { font-size: 0.88rem; line-height: 1.55; margin: 0; color: #cfe3d5; }

.fig-wide img { aspect-ratio: 16 / 9; object-fit: cover; }

/* ---------- applications ---------- */
.apps .card-grid { gap: 14px; }
.app-card {
  padding: 22px 20px;
  border-radius: var(--r);
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--green);
}
.app-card p { font-size: 0.92rem; margin: 0; color: #21402f; }

/* ---------- specs ---------- */
.two-col-wide { gap: 34px; }
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  margin-top: 8px;
}
.spec-table th, .spec-table td {
  text-align: left;
  vertical-align: top;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
}
.spec-table th {
  font-weight: 600;
  color: var(--forest);
  width: 42%;
  font-size: 0.83rem;
}
.spec-table td { color: #21402f; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }

.compare {
  align-self: start;
  padding: 24px 22px;
  border-radius: var(--r);
  background: var(--forest);
  color: #eaf4ec;
  box-shadow: var(--shadow);
}
.compare h3 { color: #fff; margin-bottom: 16px; }
.compare-row + .compare-row {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(191, 224, 203, 0.28);
}
.compare-name {
  font-family: "Lora", Georgia, serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  margin: 0 0 2px;
}
.compare-spec {
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--lime);
  margin: 0 0 8px;
}
.compare p { font-size: 0.88rem; margin: 0; color: #d5e8d9; }
.compare-foot { margin-top: 18px; font-size: 0.78rem; color: #a9c8b4; }

/* ---------- steps ---------- */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: step;
}
.steps li {
  padding: 22px 20px;
  border-radius: var(--r);
  background: var(--paper);
  border: 1px solid var(--line);
}
.steps h3 { margin-bottom: 6px; }
.steps p { font-size: 0.9rem; margin: 0; color: #21402f; }

/* ---------- gallery ---------- */
.gal-grid { display: grid; gap: 14px; }
.gal { margin: 0; }
.gal img { aspect-ratio: 16 / 9; object-fit: cover; }
.gal figcaption { font-size: 0.8rem; color: #2a4b39; }

/* ---------- company ---------- */
.company .facts { margin-top: 22px; }
.company-note { margin-top: 16px; font-size: 0.86rem; }

/* ---------- faq ---------- */
.faq-wrap { max-width: 860px; }
.faq-list { display: grid; gap: 10px; }
.faq-list details {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
  padding: 4px 18px;
}
.faq-list summary {
  cursor: pointer;
  padding: 14px 0;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--forest);
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  min-height: 44px;
  align-items: center;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--green);
  flex: none;
}
.faq-list details[open] summary::after { content: "–"; }
.faq-list details p { font-size: 0.9rem; color: #21402f; padding-bottom: 14px; margin: 0; }

/* ---------- visit ---------- */
.visit-list { margin: 22px 0; display: grid; gap: 14px; }
.visit-list div { border-left: 2px solid var(--green); padding-left: 14px; }
.visit-list dt {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 3px;
}
.visit-list dd { margin: 0; font-size: 0.92rem; color: #1c3a2c; }
.map-wrap {
  border-radius: var(--r);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper);
  min-height: 300px;
  box-shadow: var(--shadow);
}
.map-wrap iframe {
  width: 100%;
  height: 100%;
  min-height: 320px;
  border: 0;
  display: block;
}

/* ---------- lead ---------- */
.lead-points { list-style: none; margin: 20px 0 0; padding: 0; display: grid; gap: 8px; }
.lead-points li {
  position: relative;
  padding-left: 24px;
  font-size: 0.92rem;
  color: #e7f2e9;
}
.lead-points li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--lime);
  font-weight: 700;
}
.form-card {
  background: var(--white);
  border-radius: calc(var(--r) + 6px);
  padding: clamp(20px, 4vw, 30px);
  box-shadow: 0 26px 60px -30px rgba(0, 0, 0, 0.55);
  color: var(--ink);
}
.form-card p { color: var(--muted); font-size: 0.9rem; }
.form-card input, .form-card select, .form-card textarea { font-family: inherit; }

/* ---------- footer ---------- */
.ft { background: #041b14; color: #c3d9c9; padding: 48px 0 96px; }
.ft-grid { display: grid; gap: 26px; }
.ft-logo { height: 34px; width: auto; border-radius: 6px; margin-bottom: 12px; background: #fff; }
.ft-name { font-weight: 600; color: #fff; font-size: 0.95rem; margin: 0 0 6px; }
.ft-addr { font-size: 0.84rem; color: #9db8a5; margin: 0 0 6px; }
.ft-head {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lime);
  margin: 0 0 10px;
}
.ft ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.ft ul a { font-size: 0.88rem; color: #cfe4d4; }
.ft-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); margin-top: 28px; padding-top: 16px; }
.ft-bottom p { font-size: 0.76rem; color: #8aa593; margin: 0; }

/* ---------- mobile bar ---------- */
.mobile-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  display: flex;
  gap: 8px;
  padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
  background: rgba(4, 27, 20, 0.97);
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(191, 224, 203, 0.2);
}
.mb-btn {
  flex: 1 1 0;
  min-width: 0;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-radius: 12px;
  border: 1px solid rgba(191, 224, 203, 0.34);
  color: #eaf4ec;
  font-size: 0.86rem;
  font-weight: 600;
  padding: 0 8px;
  white-space: nowrap;
}
.mb-btn:hover { text-decoration: none; }
.mb-primary { flex-grow: 1.45; background: var(--lime); color: var(--deep); border-color: var(--lime); }

body { padding-bottom: 74px; }

/* ---------- reveal ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- breakpoints ---------- */
@media (min-width: 700px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .gal-grid { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .ft-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .brand-logo { height: 38px; }
}

@media (min-width: 900px) {
  body { font-size: 17px; padding-bottom: 0; }
  .mobile-bar { display: none; }
  .nav {
    display: flex;
    gap: 22px;
    margin-left: auto;
  }
  .nav a {
    font-size: 0.86rem;
    font-weight: 500;
    color: #1c3a2c;
    border-bottom: 1.5px solid transparent;
    padding: 4px 0;
  }
  .nav a:hover { border-bottom-color: var(--green); text-decoration: none; }
  .hd-in { min-height: 72px; }
  .brand-logo { height: 42px; }
  .hero-grid { grid-template-columns: 1.02fr 0.98fr; gap: 48px; align-items: center; }
  .two-col { grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
  .two-col-wide { align-items: start; }
  .joint-card { grid-template-columns: 1fr 1.05fr; align-items: center; gap: 40px; }
  .joint { height: 230px; }
  .adv-grid { grid-template-columns: repeat(3, 1fr); }
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .compare { position: sticky; top: 96px; }
  .ft { padding-bottom: 48px; }
}

@media (min-width: 1040px) {
  .app-grid { grid-template-columns: repeat(4, 1fr); }
  .adv-grid { grid-template-columns: repeat(5, 1fr); }
  .adv-card { padding: 22px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .joint .band-bar { animation: none; width: 22%; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}